Updated: Jul 07, 2026
Location and Projects
Address
17020 W National Ave, New Berlin, WI, 53151
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The Thielmann Group Photos
The Thielmann Group HVAC/Mechanical Contractor
The Thielmann Group is proud to be your heating and cooling experts in Southeast Wisconsin since 1929! With locations in New Berlin, Hartford, Oak Creek, Burlington, and Waterford, we provide exceptional service to residential and commercial customers across all of southeast, WI. When you turn to Thielmann & Son for your furnace repair, air conditioner repair, or the installation of new equipment, you will have the peace of mind knowing that we have spent over 90 years making homes comfortable.
From BuildZoom: The Thielmann Group, 17020 W National Ave, New Berlin, WI (Owned by: Bradley Anthony Smith) holds a Hvac Contractor, Regular, False license and 4 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 112 ranks in the top 3% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring The Thielmann Group, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
The Thielmann Group Contact Information
Phone Number: (262) 299-6197
Address: 17020 W National Ave, New Berlin, WI 53151
The Thielmann Group New Berlin
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
The Thielmann Group has a BuildZoom score of 112, which places them above 97% of 94,017 contractors in Wisconsin.
Activity
|
1 project
|
2026 |
|
115 projects
|
2025 |
|
87 projects
|
2024 |
|
91 projects
|
2023 |
Our building permit records indicate that The Thielmann Group has worked on at least
294.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
287 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that The Thielmann Group mostly works on
hvac project
projects.
Pricing
|
57 projects
|
< $5k |
|
214 projects
|
$5k-$20k |
|
11 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
The typical size of their permits is approximately $7,879. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family dwelling- furnace and air conditioning replacement
Valuation:
$15,437
Permit #:
HVAC-GEN-25-00395
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace and air conditioning replacement
Valuation:
$14,054
Permit #:
HVAC-GEN-25-01562
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
2 family dwelling-1 furnace and air conditioning replacement
Valuation:
$12,000
Permit #:
HVAC-GEN-25-00382
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family furnace and air conditioning replacement
Valuation:
$12,748
Permit #:
HVAC-GEN-25-00437
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Two furnace replacement (permit not required for direct replacement of air conditioning on a 1 or 2 family home. unless address is historic or brand new installment)
Valuation:
$13,662
Permit #:
HVAC-GEN-21-03897
Status:
complete
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement (permit not required for direct replacement of air conditioning in 1 or family homes )
Valuation:
$12,961
Permit #:
HVAC-GEN-24-03089
Status:
issued
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Furnace replacement (permit not required for direct replacement of air conditioning on a 1 or 2 family home. unless address is historic or brand new installment)
Valuation:
$8,615
Permit #:
HVAC-GEN-21-02716
Status:
complete
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace installment
Valuation:
$9,721
Permit #:
HVAC-GEN-25-01538
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$8,828
Permit #:
HVAC-GEN-25-00580
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$6,941
Permit #:
HVAC-GEN-25-00240
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace installment
Valuation:
$10,877
Permit #:
HVAC-GEN-25-00095
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$12,832
Permit #:
HVAC-GEN-25-00111
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family furnace replacement (permit not required for direct replacement of air conditioning in 1 or family homes )
Valuation:
$22,049
Permit #:
HVAC-GEN-24-01667
Status:
issued
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Kawa ramen & sushi restaurant
Valuation:
$61,745
Permit #:
HVAC-GEN-23-03457
Status:
issued
Fee:
$971
Permit Type:
N/A
Building Type:
N/A
2 family dwelling-2 furnace replacement
Valuation:
$11,000
Permit #:
HVAC-GEN-25-00239
Status:
issued
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
2 family dwelling-2 furnace replacement
Valuation:
$9,200
Permit #:
HVAC-GEN-25-00238
Status:
issued
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
2 family dwelling-1 furnace replacement
Valuation:
$5,455
Permit #:
HVAC-GEN-25-00087
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Replace condenser for air handler
Valuation:
$7,090
Permit #:
HVAC-GEN-25-01649
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family furnace replacement
Valuation:
$11,100
Permit #:
HVAC-GEN-25-01491
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family new air conditioning
Valuation:
$8,703
Permit #:
HVAC-GEN-25-01488
Status:
issued
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
The Thielmann Group Reviews
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The Thielmann Group License info
License Not Verified
| License # | 1557694 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of The Thielmann Group with the City of Wisconsin Rapids
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1061999 |
| Status | Active |
| City | Milwaukee |
| Type | Hvac Contractor |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of The Thielmann Group with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of The Thielmann Group with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1109307 |
| Status | Active |
| State | Wisconsin |
| Type | Building Contractor Registration |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for The Thielmann Group at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
565
Permits
- Building permit records show that The Thielmann Group has worked on 565 permitted projects.
The Thielmann Group Employees
BS
Bradley Anthony Smith
Owner
RK
Richard M Kontny
Owner